Hair dryer attachment



FIG. 1 is a front elevational view of my new design for a hair dryer attachment;

FIG. 2 is a back elevational view of FIG. 1;

FIG. 3 is a top plan view of the embodiment shown in FIG. 1.

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view of FIG. 1, a right side elevational view being identical; and,

FIG. 6 is a top, front and left perspective view thereof.

The broken lines shown in the drawings illustrate environment and form no part of the claimed design. 

The ornamental design for a hair dryer attachment, as shown and described. 